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一口水井,在不渗水的情况下,甲抽水机用4小时可将水抽完,乙抽水机用6小时可将水抽完。现用甲、乙两

台抽水机同时抽水,但由于渗水,结果用了3小时才将水抽完。问在渗水的情况下,用乙抽水机单独抽,需几小时抽完?

A.12小时

B.13小时

C.14小时

D.15小时

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第1题

What is the Chinese newspapers' attitude to the parents described in this article?A.Sympat

What is the Chinese newspapers' attitude to the parents described in this article?

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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第2题

What is the Chinese newspapers' attitude to the parents described in this article?A.Sympat

What is the Chinese newspapers' attitude to the parents described in this article?

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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第3题

What is the Chinese newspapers' attitude to the parents described in this article?A.Sympat

What is the Chinese newspapers' attitude to the parents described in this article?

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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第4题

What is the Chinese newspapers' attitude to the parents described in this article?A.Sympat

What is the Chinese newspapers' attitude to the parents described in this article?

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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第5题

What is the Chinese newspapers' attitude to the parents described in this article?A.Sympat

What is the Chinese newspapers' attitude to the parents described in this article?

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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第6题

Missionaries ______.A.often dressed the same way as Chinese scholars didB.were free of the

Missionaries ______.

A.often dressed the same way as Chinese scholars did

B.were free of the legal constraints that bound the local indigenous population

C.had greater access to authority than Chinese peasants

D.may be described by all of the above

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第7题

Missionaries ______.A.often dressed the same way as Chinese scholars didB.were free of the

Missionaries ______.

A.often dressed the same way as Chinese scholars did

B.were free of the legal constraints that bound the local indigenous population

C.had greater access to authority than Chinese peasants

D.may be described by all of the above

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第8题

Why do you think some Chinese scholars prefer translating龙 into Loong to translating it into dragon?
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第9题

Missionaries ______.A.often dressed the same way as Chinese scholars did.B.were free of th

Missionaries ______.

A.often dressed the same way as Chinese scholars did.

B.were free of the legal constraints that bound the local indigenous population.

C.had greater access to authority than Chinese peasants.

D.may be described by all of the above.

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第10题

What is the Chinese newspapers' attitude to the parents described in this article

A.Sympathetic.

B.Critical.

C.Approving.

D.Neutral.

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